From Longman Dictionary of Contemporary Englishschoolbookschool‧book /ˈskuːlbʊk/ noun [countable] a book that is used in school classes SYN textbook
Examples from the Corpus
schoolbook• A promise to end schoolbook censorship, made only a week ago, has already been withdrawn.• She was going back to her father's house to show people what she had written in her schoolbooks about them.• Why won't you let me see your schoolbooks nowadays?